UPDATED: Lanes Clear After Major Accident Ties Up 210 Freeway

UPDATED 2:12 p.m.: The CHP reports all lanes of the 210 freeway westbound are clear as of 1:54 p.m., according to CHP traffic logs.

PREVIOUSLY: A multi-vehicle collision has forced authorities to shut down the No. 3 and 4 lanes of the 210 freeway westbound at Myrtle Avenue.

At least 3 vehicles were involved in the collision, which was reported around 1:03 p.m. All lanes had initially been blocked by the collision, but the No. 3 and 4 lanes still remain closed, according to the California Highway Patrol. It is unknown if any injures are being reported.

The Sig Alert has been issued for 30 minutes.

Authorities worked to reopen the HOV lane and No. 1 lane, the CHP said.

At least one of the vehicles involved received major front-end damage, the CHP said.

No further information was available.